As part of the “PICWeld” Eurostars project, Fraunhofer IZM researchers, working with their partners LioniX International BV, Phix Photonics Assembly and ficonTEC Service GmbH, have developed an adhesive-free, space-saving and robust laser welding process for fixing optical fibers. As part of the “PICWeld” Eurostars project, Fraunhofer IZM researchers, working with their partners LioniX International BV, Phix Photonics Assembly and ficonTEC Service GmbH, have developed an adhesive-free, space-saving and robust laser welding process for fixing optical fibers. Adhesive technology used in optical communication is one of our main technologies. In order to put low-cost and highly reliable optical components into practical use, adhesives that can be easily adhered and have excellent durability are required. The requirements differ depending on which part of. However, there are methods of optical contact bonding, which essentially involve particularly careful polishing and cleaning of the surfaces, reaching a surface flatness on nanometer dimensions. From bonding lenses and coupling fibers to sealing photonic packages and aligning micro-optics, these. Excelitas offers a wide array of beamsplitters in plate, cube and custom multi-port configurations. Utilizing our proprietary adhesive-free Activated Covalent Bonding (ACB) technology, we produce highly robust assemblies which provide superior wavefront performance and high laser damage resistance. Special adhesives are used on the one hand to fix optics and lenses in order to secure them precisely in the housing, and on the other hand to bond several lenses together. Special light-conducting and optically highly transparent adhesives are also used for bonding, fixing and coupling glass. Fiber interconnection strategies for photonic integrated circuits (PICs) are usually developed using adhesives.
